Edit File: smsc.h
/* * SMSC ECE1099 * * Copyright 2012 Texas Instruments Inc. * * Author: Sourav Poddar <sourav.poddar@ti.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * */ #ifndef __LINUX_MFD_SMSC_H #define __LINUX_MFD_SMSC_H #include <linux/regmap.h> #define SMSC_ID_ECE1099 1 #define SMSC_NUM_CLIENTS 2 #define SMSC_BASE_ADDR 0x38 #define OMAP_GPIO_SMSC_IRQ 151 #define SMSC_MAXGPIO 32 #define SMSC_BANK(offs) ((offs) >> 3) #define SMSC_BIT(offs) (1u << ((offs) & 0x7)) struct smsc { struct device *dev; struct i2c_client *i2c_clients[SMSC_NUM_CLIENTS]; struct regmap *regmap; int clk; /* Stored chip id */ int id; }; struct smsc_gpio; struct smsc_keypad; static inline int smsc_read(struct device *child, unsigned int reg, unsigned int *dest) { struct smsc *smsc = dev_get_drvdata(child->parent); return regmap_read(smsc->regmap, reg, dest); } static inline int smsc_write(struct device *child, unsigned int reg, unsigned int value) { struct smsc *smsc = dev_get_drvdata(child->parent); return regmap_write(smsc->regmap, reg, value); } /* Registers for SMSC */ #define SMSC_RESET 0xF5 #define SMSC_GRP_INT 0xF9 #define SMSC_CLK_CTRL 0xFA #define SMSC_WKUP_CTRL 0xFB #define SMSC_DEV_ID 0xFC #define SMSC_DEV_REV 0xFD #define SMSC_VEN_ID_L 0xFE #define SMSC_VEN_ID_H 0xFF /* CLK VALUE */ #define SMSC_CLK_VALUE 0x13 /* Registers for function GPIO INPUT */ #define SMSC_GPIO_DATA_IN_START 0x00 /* Registers for function GPIO OUPUT */ #define SMSC_GPIO_DATA_OUT_START 0x05 /* Definitions for SMSC GPIO CONFIGURATION REGISTER*/ #define SMSC_GPIO_INPUT_LOW 0x01 #define SMSC_GPIO_INPUT_RISING 0x09 #define SMSC_GPIO_INPUT_FALLING 0x11 #define SMSC_GPIO_INPUT_BOTH_EDGE 0x19 #define SMSC_GPIO_OUTPUT_PP 0x21 #define SMSC_GPIO_OUTPUT_OP 0x31 #define GRP_INT_STAT 0xf9 #define SMSC_GPI_INT 0x0f #define SMSC_CFG_START 0x0A /* Registers for SMSC GPIO INTERRUPT STATUS REGISTER*/ #define SMSC_GPIO_INT_STAT_START 0x32 /* Registers for SMSC GPIO INTERRUPT MASK REGISTER*/ #define SMSC_GPIO_INT_MASK_START 0x37 /* Registers for SMSC function KEYPAD*/ #define SMSC_KP_OUT 0x40 #define SMSC_KP_IN 0x41 #define SMSC_KP_INT_STAT 0x42 #define SMSC_KP_INT_MASK 0x43 /* Definitions for keypad */ #define SMSC_KP_KSO 0x70 #define SMSC_KP_KSI 0x51 #define SMSC_KSO_ALL_LOW 0x20 #define SMSC_KP_SET_LOW_PWR 0x0B #define SMSC_KP_SET_HIGH 0xFF #define SMSC_KSO_EVAL 0x00 #endif /* __LINUX_MFD_SMSC_H */